No. 3 Group, Royal Air Force Bomber Command: reformed at Andover on 1 May 1936; Group Headquarters at Mildenhall from about March 1937 and at Harraton House, Exning, Suffolk from March 1940; back at Mildenhall in January 1947 (Wikipedia, No. 3 Group RAF).
Unit Accident Records: 3 Group No. 3 Group RAF RAF ()
